third_party_mesa3d/src/vulkan/formats.c

/*
 * Copyright © 2015 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

#include "private.h"

#define UNSUPPORTED ~0U

static const struct anv_format anv_formats[] = {
   [VK_FORMAT_UNDEFINED] = { .format = RAW, .cpp = 1, .channels = 1 },
   [VK_FORMAT_R4G4_UNORM] = { .format = UNSUPPORTED },
   [VK_FORMAT_R4G4_USCALED] = { .format = UNSUPPORTED },
   [VK_FORMAT_R4G4B4A4_UNORM] = { .format = UNSUPPORTED },
   [VK_FORMAT_R4G4B4A4_USCALED] = { .format = UNSUPPORTED },
   [VK_FORMAT_R5G6B5_UNORM] = { .format = UNSUPPORTED },
   [VK_FORMAT_R5G6B5_USCALED] = { .format = UNSUPPORTED },
   [VK_FORMAT_R5G5B5A1_UNORM] = { .format = UNSUPPORTED },
   [VK_FORMAT_R5G5B5A1_USCALED] = { .format = UNSUPPORTED },
   [VK_FORMAT_R8_UNORM] = { .format = R8_UNORM, .cpp = 1, .channels = 1 },
   [VK_FORMAT_R8_SNORM] = { .format = R8_SNORM, .cpp = 1, .channels = 1, },
   [VK_FORMAT_R8_USCALED] = { .format = R8_USCALED, .cpp = 1, .channels = 1 },
   [VK_FORMAT_R8_SSCALED] = { .format = R8_SSCALED, .cpp = 1, .channels = 1 },
   [VK_FORMAT_R8_UINT] = { .format = R8_UINT, .cpp = 1, .channels = 1 },
   [VK_FORMAT_R8_SINT] = { .format = R8_SINT, .cpp = 1, .channels = 1 },
   [VK_FORMAT_R8_SRGB] = { .format = UNSUPPORTED },
   [VK_FORMAT_R8G8_UNORM] = { .format = R8G8_UNORM, .cpp = 2, .channels = 2 },
   [VK_FORMAT_R8G8_SNORM] = { .format = R8G8_SNORM, .cpp = 2, .channels = 2 },
   [VK_FORMAT_R8G8_USCALED] = { .format = R8G8_USCALED, .cpp = 2, .channels = 2 },
   [VK_FORMAT_R8G8_SSCALED] = { .format = R8G8_SSCALED, .cpp = 2, .channels = 2 },
   [VK_FORMAT_R8G8_UINT] = { .format = R8G8_UINT, .cpp = 2, .channels = 2 },
   [VK_FORMAT_R8G8_SINT] = { .format = R8G8_SINT, .cpp = 2, .channels = 2 },
   [VK_FORMAT_R8G8_SRGB] = { .format = UNSUPPORTED }, /* L8A8_UNORM_SRGB */
   [VK_FORMAT_R8G8B8_UNORM] = { .format = R8G8B8X8_UNORM, .cpp = 3, .channels = 3 },
   [VK_FORMAT_R8G8B8_SNORM] = { .format = R8G8B8_SNORM, .cpp = 4 },
   [VK_FORMAT_R8G8B8_USCALED] = { .format = R8G8B8_USCALED, .cpp = 3, .channels = 3 },
   [VK_FORMAT_R8G8B8_SSCALED] = { .format = R8G8B8_SSCALED, .cpp = 3, .channels = 3 },
   [VK_FORMAT_R8G8B8_UINT] = { .format = R8G8B8_UINT, .cpp = 3, .channels = 3 },
   [VK_FORMAT_R8G8B8_SINT] = { .format = R8G8B8_SINT, .cpp = 3, .channels = 3 },
   [VK_FORMAT_R8G8B8_SRGB] = { .format = UNSUPPORTED }, /* B8G8R8A8_UNORM_SRGB */
   [VK_FORMAT_R8G8B8A8_UNORM] = { .format = R8G8B8A8_UNORM, .cpp = 4, .channels = 4 },
   [VK_FORMAT_R8G8B8A8_SNORM] = { .format = R8G8B8A8_SNORM, .cpp = 4, .channels = 4 },
   [VK_FORMAT_R8G8B8A8_USCALED] = { .format = R8G8B8A8_USCALED, .cpp = 4, .channels = 4 },
   [VK_FORMAT_R8G8B8A8_SSCALED] = { .format = R8G8B8A8_SSCALED, .cpp = 4, .channels = 4 },
   [VK_FORMAT_R8G8B8A8_UINT] = { .format = R8G8B8A8_UINT, .cpp = 4, .channels = 4 },
   [VK_FORMAT_R8G8B8A8_SINT] = { .format = R8G8B8A8_SINT, .cpp = 4, .channels = 4 },
   [VK_FORMAT_R8G8B8A8_SRGB] = { .format = R8G8B8A8_UNORM_SRGB, .cpp = 4, .channels = 4 },
   [VK_FORMAT_R10G10B10A2_UNORM] = { .format = R10G10B10A2_UNORM, .cpp = 4, .channels = 4 },
   [VK_FORMAT_R10G10B10A2_SNORM] = { .format = R10G10B10A2_SNORM, .cpp = 4, .channels = 4 },
   [VK_FORMAT_R10G10B10A2_USCALED] = { .format = R10G10B10A2_USCALED, .cpp = 4, .channels = 4 },
   [VK_FORMAT_R10G10B10A2_SSCALED] = { .format = R10G10B10A2_SSCALED, .cpp = 4, .channels = 4 },
   [VK_FORMAT_R10G10B10A2_UINT] = { .format = R10G10B10A2_UINT, .cpp = 4, .channels = 4 },
   [VK_FORMAT_R10G10B10A2_SINT] = { .format = R10G10B10A2_SINT, .cpp = 4, .channels = 4 },
   [VK_FORMAT_R16_UNORM] = { .format = R16_UNORM, .cpp = 2, .channels = 1 },
   [VK_FORMAT_R16_SNORM] = { .format = R16_SNORM, .cpp = 2, .channels = 1 },
   [VK_FORMAT_R16_USCALED] = { .format = R16_USCALED, .cpp = 2, .channels = 1 },
   [VK_FORMAT_R16_SSCALED] = { .format = R16_SSCALED, .cpp = 2, .channels = 1 },
   [VK_FORMAT_R16_UINT] = { .format = R16_UINT, .cpp = 2, .channels = 1 },
   [VK_FORMAT_R16_SINT] = { .format = R16_SINT, .cpp = 2, .channels = 1 },
   [VK_FORMAT_R16_SFLOAT] = { .format = R16_FLOAT, .cpp = 2, .channels = 1 },
   [VK_FORMAT_R16G16_UNORM] = { .format = R16G16_UNORM, .cpp = 4, .channels = 2 },
   [VK_FORMAT_R16G16_SNORM] = { .format = R16G16_SNORM, .cpp = 4, .channels = 2 },
   [VK_FORMAT_R16G16_USCALED] = { .format = R16G16_USCALED, .cpp = 4, .channels = 2 },
   [VK_FORMAT_R16G16_SSCALED] = { .format = R16G16_SSCALED, .cpp = 4, .channels = 2 },
   [VK_FORMAT_R16G16_UINT] = { .format = R16G16_UINT, .cpp = 4, .channels = 2 },
   [VK_FORMAT_R16G16_SINT] = { .format = R16G16_SINT, .cpp = 4, .channels = 2 },
   [VK_FORMAT_R16G16_SFLOAT] = { .format = R16G16_FLOAT, .cpp = 4, .channels = 2 },
   [VK_FORMAT_R16G16B16_UNORM] = { .format = R16G16B16_UNORM, .cpp = 6, .channels = 3 },
   [VK_FORMAT_R16G16B16_SNORM] = { .format = R16G16B16_SNORM, .cpp = 6, .channels = 3 },
   [VK_FORMAT_R16G16B16_USCALED] = { .format = R16G16B16_USCALED, .cpp = 6, .channels = 3 },
   [VK_FORMAT_R16G16B16_SSCALED] = { .format = R16G16B16_SSCALED, .cpp = 6, .channels = 3 },
   [VK_FORMAT_R16G16B16_UINT] = { .format = R16G16B16_UINT, .cpp = 6, .channels = 3 },
   [VK_FORMAT_R16G16B16_SINT] = { .format = R16G16B16_SINT, .cpp = 6, .channels = 3 },
   [VK_FORMAT_R16G16B16_SFLOAT] = { .format = R16G16B16_FLOAT, .cpp = 6, .channels = 3 },
   [VK_FORMAT_R16G16B16A16_UNORM] = { .format = R16G16B16A16_UNORM, .cpp = 8, .channels = 4 },
   [VK_FORMAT_R16G16B16A16_SNORM] = { .format = R16G16B16A16_SNORM, .cpp = 8, .channels = 4 },
   [VK_FORMAT_R16G16B16A16_USCALED] = { .format = R16G16B16A16_USCALED, .cpp = 8, .channels = 4 },
   [VK_FORMAT_R16G16B16A16_SSCALED] = { .format = R16G16B16A16_SSCALED, .cpp = 8, .channels = 4 },
   [VK_FORMAT_R16G16B16A16_UINT] = { .format = R16G16B16A16_UINT, .cpp = 8, .channels = 4 },
   [VK_FORMAT_R16G16B16A16_SINT] = { .format = R16G16B16A16_SINT, .cpp = 8, .channels = 4 },
   [VK_FORMAT_R16G16B16A16_SFLOAT] = { .format = R16G16B16A16_FLOAT, .cpp = 8, .channels = 4 },
   [VK_FORMAT_R32_UINT] = { .format = R32_UINT, .cpp = 4, .channels = 1, },
   [VK_FORMAT_R32_SINT] = { .format = R32_SINT, .cpp = 4, .channels = 1, },
   [VK_FORMAT_R32_SFLOAT] = { .format = R32_FLOAT, .cpp = 4, .channels = 1, },
   [VK_FORMAT_R32G32_UINT] = { .format = R32G32_UINT, .cpp = 8, .channels = 2, },
   [VK_FORMAT_R32G32_SINT] = { .format = R32G32_SINT, .cpp = 8, .channels = 2, },
   [VK_FORMAT_R32G32_SFLOAT] = { .format = R32G32_FLOAT, .cpp = 8, .channels = 2, },
   [VK_FORMAT_R32G32B32_UINT] = { .format = R32G32B32_UINT, .cpp = 12, .channels = 3, },
   [VK_FORMAT_R32G32B32_SINT] = { .format = R32G32B32_SINT, .cpp = 12, .channels = 3, },
   [VK_FORMAT_R32G32B32_SFLOAT] = { .format = R32G32B32_FLOAT, .cpp = 12, .channels = 3, },
   [VK_FORMAT_R32G32B32A32_UINT] = { .format = R32G32B32A32_UINT, .cpp = 16, .channels = 4, },
   [VK_FORMAT_R32G32B32A32_SINT] = { .format = R32G32B32A32_SINT, .cpp = 16, .channels = 4, },
   [VK_FORMAT_R32G32B32A32_SFLOAT] = { .format = R32G32B32A32_FLOAT, .cpp = 16, .channels = 4, },
   [VK_FORMAT_R64_SFLOAT] = { .format = R64_FLOAT, .cpp = 8, .channels = 1 },
   [VK_FORMAT_R64G64_SFLOAT] = { .format = R64G64_FLOAT, .cpp = 16, .channels = 2 },
   [VK_FORMAT_R64G64B64_SFLOAT] = { .format = R64G64B64_FLOAT, .cpp = 24, .channels = 3 },
   [VK_FORMAT_R64G64B64A64_SFLOAT] = { .format = R64G64B64A64_FLOAT, .cpp = 32, .channels = 4 },
   [VK_FORMAT_R11G11B10_UFLOAT] = { .format = R11G11B10_FLOAT, .cpp = 4, .channels = 3 },
   [VK_FORMAT_R9G9B9E5_UFLOAT] = { .format = R9G9B9E5_SHAREDEXP, .cpp = 4, .channels = 3 },
   // [VK_FORMAT_D16_UNORM] = { .format = D16_UNORM },
   // [VK_FORMAT_D24_UNORM] = { .format = D24_UNORM },
   // [VK_FORMAT_D32_SFLOAT] = { .format = D32_SFLOAT },
   // [VK_FORMAT_S8_UINT] = { .format = S8_UINT },
   // [VK_FORMAT_D16_UNORM_S8_UINT] = { .format = D16_UNORM },
   // [VK_FORMAT_D24_UNORM_S8_UINT] = { .format = D24_UNORM },
   // [VK_FORMAT_D32_SFLOAT_S8_UINT] = { .format = D32_SFLOAT },
   // [VK_FORMAT_BC1_RGB_UNORM] = { .format = BC1_RGB },
   // [VK_FORMAT_BC1_RGB_SRGB] = { .format = BC1_RGB },
   // [VK_FORMAT_BC1_RGBA_UNORM] = { .format = BC1_RGBA },
   // [VK_FORMAT_BC1_RGBA_SRGB] = { .format = BC1_RGBA },
   // [VK_FORMAT_BC2_UNORM] = { .format = BC2_UNORM },
   // [VK_FORMAT_BC2_SRGB] = { .format = BC2_SRGB },
   // [VK_FORMAT_BC3_UNORM] = { .format = BC3_UNORM },
   // [VK_FORMAT_BC3_SRGB] = { .format = BC3_SRGB },
   // [VK_FORMAT_BC4_UNORM] = { .format = BC4_UNORM },
   // [VK_FORMAT_BC4_SNORM] = { .format = BC4_SNORM },
   // [VK_FORMAT_BC5_UNORM] = { .format = BC5_UNORM },
   // [VK_FORMAT_BC5_SNORM] = { .format = BC5_SNORM },
   // [VK_FORMAT_BC6H_UFLOAT] = { .format = BC6H_UFLOAT },
   // [VK_FORMAT_BC6H_SFLOAT] = { .format = BC6H_SFLOAT },
   // [VK_FORMAT_BC7_UNORM] = { .format = BC7_UNORM },
   // [VK_FORMAT_BC7_SRGB] = { .format = BC7_SRGB },
   // [VK_FORMAT_ETC2_R8G8B8_UNORM] = { .format = ETC2_R8G8B8 },
   // [VK_FORMAT_ETC2_R8G8B8_SRGB] = { .format = ETC2_R8G8B8 },
   // [VK_FORMAT_ETC2_R8G8B8A1_UNORM] = { .format = ETC2_R8G8B8A1 },
   // [VK_FORMAT_ETC2_R8G8B8A1_SRGB] = { .format = ETC2_R8G8B8A1 },
   // [VK_FORMAT_ETC2_R8G8B8A8_UNORM] = { .format = ETC2_R8G8B8A8 },
   // [VK_FORMAT_ETC2_R8G8B8A8_SRGB] = { .format = ETC2_R8G8B8A8 },
   // [VK_FORMAT_EAC_R11_UNORM] = { .format = EAC_R11 },
   // [VK_FORMAT_EAC_R11_SNORM] = { .format = EAC_R11 },
   // [VK_FORMAT_EAC_R11G11_UNORM] = { .format = EAC_R11G11 },
   // [VK_FORMAT_EAC_R11G11_SNORM] = { .format = EAC_R11G11 },
   // [VK_FORMAT_ASTC_4x4_UNORM] = { .format = ASTC_4x4 },
   // [VK_FORMAT_ASTC_4x4_SRGB] = { .format = ASTC_4x4 },
   // [VK_FORMAT_ASTC_5x4_UNORM] = { .format = ASTC_5x4 },
   // [VK_FORMAT_ASTC_5x4_SRGB] = { .format = ASTC_5x4 },
   // [VK_FORMAT_ASTC_5x5_UNORM] = { .format = ASTC_5x5 },
   // [VK_FORMAT_ASTC_5x5_SRGB] = { .format = ASTC_5x5 },
   // [VK_FORMAT_ASTC_6x5_UNORM] = { .format = ASTC_6x5 },
   // [VK_FORMAT_ASTC_6x5_SRGB] = { .format = ASTC_6x5 },
   // [VK_FORMAT_ASTC_6x6_UNORM] = { .format = ASTC_6x6 },
   // [VK_FORMAT_ASTC_6x6_SRGB] = { .format = ASTC_6x6 },
   // [VK_FORMAT_ASTC_8x5_UNORM] = { .format = ASTC_8x5 },
   // [VK_FORMAT_ASTC_8x5_SRGB] = { .format = ASTC_8x5 },
   // [VK_FORMAT_ASTC_8x6_UNORM] = { .format = ASTC_8x6 },
   // [VK_FORMAT_ASTC_8x6_SRGB] = { .format = ASTC_8x6 },
   // [VK_FORMAT_ASTC_8x8_UNORM] = { .format = ASTC_8x8 },
   // [VK_FORMAT_ASTC_8x8_SRGB] = { .format = ASTC_8x8 },
   // [VK_FORMAT_ASTC_10x5_UNORM] = { .format = ASTC_10x5 },
   // [VK_FORMAT_ASTC_10x5_SRGB] = { .format = ASTC_10x5 },
   // [VK_FORMAT_ASTC_10x6_UNORM] = { .format = ASTC_10x6 },
   // [VK_FORMAT_ASTC_10x6_SRGB] = { .format = ASTC_10x6 },
   // [VK_FORMAT_ASTC_10x8_UNORM] = { .format = ASTC_10x8 },
   // [VK_FORMAT_ASTC_10x8_SRGB] = { .format = ASTC_10x8 },
   // [VK_FORMAT_ASTC_10x10_UNORM] = { .format = ASTC_10x10 },
   // [VK_FORMAT_ASTC_10x10_SRGB] = { .format = ASTC_10x10 },
   // [VK_FORMAT_ASTC_12x10_UNORM] = { .format = ASTC_12x10 },
   // [VK_FORMAT_ASTC_12x10_SRGB] = { .format = ASTC_12x10 },
   // [VK_FORMAT_ASTC_12x12_UNORM] = { .format = ASTC_12x12 },
   // [VK_FORMAT_ASTC_12x12_SRGB] = { .format = ASTC_12x12 },
   [VK_FORMAT_B4G4R4A4_UNORM] = { .format = B4G4R4A4_UNORM, .cpp = 2, .channels = 4 },
   [VK_FORMAT_B5G5R5A1_UNORM] = { .format = B5G5R5A1_UNORM, .cpp = 2, .channels = 4 },
   [VK_FORMAT_B5G6R5_UNORM] = { .format = B5G6R5_UNORM, .cpp = 2, .channels = 3 },
   // [VK_FORMAT_B5G6R5_USCALED] = { .format = B5G6R5_USCALED },
   // [VK_FORMAT_B8G8R8_UNORM] = { .format = B8G8R8_UNORM },
   // [VK_FORMAT_B8G8R8_SNORM] = { .format = B8G8R8_SNORM },
   // [VK_FORMAT_B8G8R8_USCALED] = { .format = B8G8R8_USCALED },
   // [VK_FORMAT_B8G8R8_SSCALED] = { .format = B8G8R8_SSCALED },
   // [VK_FORMAT_B8G8R8_UINT] = { .format = B8G8R8_UINT },
   // [VK_FORMAT_B8G8R8_SINT] = { .format = B8G8R8_SINT },
   // [VK_FORMAT_B8G8R8_SRGB] = { .format = B8G8R8_SRGB },
   [VK_FORMAT_B8G8R8A8_UNORM] = { .format = B8G8R8A8_UNORM, .cpp = 4, .channels = 4 },
   // [VK_FORMAT_B8G8R8A8_SNORM] = { .format = B8G8R8A8_SNORM },
   // [VK_FORMAT_B8G8R8A8_USCALED] = { .format = B8G8R8A8_USCALED },
   // [VK_FORMAT_B8G8R8A8_SSCALED] = { .format = B8G8R8A8_SSCALED },
   // [VK_FORMAT_B8G8R8A8_UINT] = { .format = B8G8R8A8_UINT },
   // [VK_FORMAT_B8G8R8A8_SINT] = { .format = B8G8R8A8_SINT },
   // [VK_FORMAT_B8G8R8A8_SRGB] = { .format = B8G8R8A8_SRGB },
   [VK_FORMAT_B10G10R10A2_UNORM] = { .format = B10G10R10A2_UNORM, .cpp = 4, .channels = 4 },
   [VK_FORMAT_B10G10R10A2_SNORM] = { .format = B10G10R10A2_SNORM, .cpp = 4, .channels = 4 },
   [VK_FORMAT_B10G10R10A2_USCALED] = { .format = B10G10R10A2_USCALED, .cpp = 4, .channels = 4 },
   [VK_FORMAT_B10G10R10A2_SSCALED] = { .format = B10G10R10A2_SSCALED, .cpp = 4, .channels = 4 },
   [VK_FORMAT_B10G10R10A2_UINT] = { .format = B10G10R10A2_UINT, .cpp = 4, .channels = 4 },
   [VK_FORMAT_B10G10R10A2_SINT] = { .format = B10G10R10A2_SINT, .cpp = 4, .channels = 4 }
};

const struct anv_format *
anv_format_for_vk_format(VkFormat format)
{
   return &anv_formats[format];
}

// Format capabilities

struct surface_format_info {
   bool exists;
   int sampling;
   int filtering;
   int shadow_compare;
   int chroma_key;
   int render_target;
   int alpha_blend;
   int input_vb;
   int streamed_output_vb;
   int color_processing;
};

extern const struct surface_format_info surface_formats[];

VkResult anv_GetFormatInfo(
    VkDevice                                    _device,
    VkFormat                                    _format,
    VkFormatInfoType                            infoType,
    size_t*                                     pDataSize,
    void*                                       pData)
{
   struct anv_device *device = (struct anv_device *) _device;
   VkFormatProperties *properties;
   const struct anv_format *format;
   const struct surface_format_info *info;
   int gen;

   gen = device->info.gen * 10;
   if (device->info.is_haswell)
      gen += 5;

   format = anv_format_for_vk_format(_format);
   if (format == 0)
      return vk_error(VK_ERROR_INVALID_VALUE);
   if (format->format == UNSUPPORTED)
      return VK_UNSUPPORTED;
   info = &surface_formats[format->format];
   if (!info->exists)
      return VK_UNSUPPORTED;

   uint32_t linear = 0, tiled = 0;
   if (info->sampling <= gen) {
      linear |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT;
      tiled |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT;
   }
   if (info->render_target <= gen) {
      linear |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT;
      tiled |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT;
   }
   if (info->alpha_blend <= gen) {
      linear |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT;
      tiled |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT;
   }
   if (info->input_vb <= gen) {
      linear |= VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT;
   }

   switch (infoType) {
   case VK_FORMAT_INFO_TYPE_PROPERTIES:
      properties = pData;

      *pDataSize = sizeof(*properties);
      if (pData == NULL)
         return VK_SUCCESS;

      properties->linearTilingFeatures = linear;
      properties->optimalTilingFeatures = tiled;
      return VK_SUCCESS;

   default:
      return VK_ERROR_INVALID_VALUE;
   }
}